Computer Basic Information
The magnetic disks and drums are like recirculating shift registers because

None of these
they have about the same storage capacity
their storage is non volatile
stored data is available for reading over and over again in the same order.
their access times are about the same

ANSWER DOWNLOAD EXAMIANS APP

Computer Basic Information
Impact printers

strike a ribbon against the paper to produce character images
include ink-jet and thermal devices
None of these
use optical technology
are more expensive than Laser printers

ANSWER DOWNLOAD EXAMIANS APP